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Fuel Injector – Fits Suzuki Outboard 90-140HP (Replaces 15710-65D00, Nikki INP-771)

Regular price $22.50
Shipping calculated at checkout.

Fuel Injector – Fits Suzuki Outboard 90-140HP (Replaces 15710-65D00, Nikki INP-771) is backordered and will ship as soon as it is back in stock.


Worry-free returns

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Delivery and Shipping

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This replacement Fuel Injector – Fits Suzuki Outboard 90-140HP (Replaces 15710-65D00) is engineered for Suzuki 4-Stroke 90-140HP series outboard motors manufactured between 2001 and 2010, including the DF90, DF100, DF115, and DF140 models. It restores proper fuel delivery for optimal engine performance and efficiency.

It serves as a direct interchange for Suzuki 15710-65D00, Nikki INP-771, GM 91174472, Airtex 4G1153, Autoline 16-427, Beck/Arnley 155-0274, Bostech MP4115, GB Reman 842-12223, SMP FJ411, and Tomco 15664.

  • Installs as a direct replacement for the original factory part.
  • Designed for use with standard gasoline fuel systems.
  • Package includes one ready-to-install fuel injector.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand Part Number
Suzuki 15710-65D00
Nikki INP-771
GM 91174472
Airtex 4G1153
Autoline 16-427
Beck/Arnley 155-0274
Bostech MP4115
GB Reman 842-12223
SMP FJ411
Tomco 15664

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This part is designed specifically for Suzuki outboard motors listed below.

Brand Model Rated HP Stroke Years OEM Part No.
Suzuki DF90, DF90TL, DF90TX 90 4-Stroke 2001–2008 15710-65D00
Suzuki DF100TX 100 4-Stroke 2009–2010 15710-65D00
Suzuki DF115, DF115TL, DF115TX 115 4-Stroke 2001–2010 15710-65D00
Suzuki DF140, DF140T, DF140TX, DF140Z, DF140ZX 140 4-Stroke 2002–2010 15710-65D00

Technical Specs

Product Type
Fuel Injector
Installation
Direct replacement
Fuel Type
Gasoline
Connection
Sumitomo connector
Housing Color
Black
Box Dimensions
8 × 4.5 × 3.5 cm
Product Volume
126 cm³
Weight
1.5 lbs (0.68 kg)
Flow Rate
21.9 lb/hr @ 43.5 psi (3 bar)
Flow Volume
165.4 g/min (N-Heptane) / 230 cc/min
Nozzle
4-hole
Resistance
14.5 Ohm
Operating Pressure
43.5 psi (3 bar)

What’s in the Box

  • 1 x Fuel Injector (15710-65D00)

Installation Notes

  1. Relieve the fuel system pressure and disconnect the negative battery terminal for safety.
  2. Carefully disconnect the electrical connector from the fuel injector.
  3. Remove the fuel rail securing bolts and gently lift the rail to access the injector.
  4. Unclip and remove the old fuel injector from the fuel rail, taking care not to damage the rail or intake port.
  5. Lightly lubricate the O-rings on the new injector with clean engine oil.
  6. Press the new injector firmly into the fuel rail and intake manifold until it seats correctly.
  7. Re-secure the fuel rail, reattach the electrical connector, and reconnect the battery.
  8. Turn the ignition key to the "ON" position (without starting) to prime the system and check thoroughly for any fuel leaks before starting the engine.

Troubleshooting & FAQ

How do I confirm this fuel injector fits my Suzuki outboard?

First, verify your engine's model and year against the compatibility chart. Second, check if your current injector's part number matches any of the cross-references listed, such as Suzuki 15710-65D00 or Nikki INP-771.

What are the common symptoms of a bad fuel injector?

Signs of a failing injector include rough idling, engine misfires, poor acceleration, a noticeable drop in fuel economy, increased emissions, or difficulty starting the engine.

Is it difficult to replace a fuel injector?

While the process is straightforward for experienced mechanics, it involves working with the fuel system. We recommend professional installation to ensure it is done safely and correctly, preventing leaks and performance issues.

Should fuel injectors be replaced in sets?

For consistent engine performance and balanced fuel delivery, it is often recommended to replace fuel injectors as a complete set, especially on older engines where other injectors may be close to failing.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

Safety & Important Info

  • Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
  • This is an aftermarket replacement, not an OEM component.
  • Professional installation is recommended for safety and performance.

About Sea Sierra

  • Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
  • Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
  • Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.

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